Stars too old to be trusted?

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18 years 6 days ago #18513 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by rush</i>
<br />How does the Meta Model accounts for these observations?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">MM never had a problem in the first place because the universe is infinitely old, and the primary source of Li7 is spallation by cosmic rays, not "primordial" lithium. What lithium there is in stars tends to get destroyed by heat over time. -|Tom|-

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18 years 6 days ago #18515 by Jim
Replied by Jim on topic Reply from
This is a question about what becomes of stuff that is "destroyed"? If whatever destroys atoms with seven neculeons(protons&neutrons) what happens to the mass that makes up the seven units that are destroyed? Its good to see something real at this site again.

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18 years 6 days ago #19171 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jim</i>
<br />This is a question about what becomes of stuff that is "destroyed"? If whatever destroys atoms with seven neculeons(protons&neutrons) what happens to the mass that makes up the seven units that are destroyed?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">I presume it gets converted into lighter atoms. Heat may break apart nuclei, but it is not going to break up nucleons. -|Tom|-

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18 years 5 days ago #18520 by Jim
Replied by Jim on topic Reply from
You got three protons and four neutrons in the original atom so how much heat is needed and what are the remains after the lithium atom is destroyed? If atoms of three and four or two,two,two and one or seven one nucleon atoms is to be the final outcome how does lithium form to begin with? Maybe other atoms do this too? If in the end most or all the atoms will be made of one proton how did the other atoms get to be the way they are? If atoms are constructed in stars and stars being hot then heat must do two jobs-making&destroying atoms. How does that work?

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18 years 5 days ago #18521 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jim</i>
<br />If atoms are constructed in stars and stars being hot then heat must do two jobs-making&destroying atoms. How does that work?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">It's called "nuclear fusion", and is supposed to be the way all the heavy elements are created. Light elements are theorized to come from the Big Bang. But when that didn't work out for lithium, BB proponents theorized that Lithium is created by spallation and destroyed by heat. It's all ad hoc, and I'm not the one to defend it.

Because I've never closely examined stellar evolution under MM precepts, I answered your question about MM by arguing that either the BB patch is right (which works for MM too), or nobody knows how lithium formed and evolved in either theory. -|Tom|-

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18 years 5 days ago #19324 by Jim
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It would be interesting to see what kind of evolution you would get using the MM concepts. The theory of evolution is great for life on Earth but do stars really evolve and if they do how they do? Is fusion the correct process for the destruction of lithium? What about fision? Isn't that when atoms are split into several parts? And fusion is when two or more atoms are united into one?

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